all you really gotta do to make over 420 on a mt82 car is delete the cats and get a tune... 401 with a tune isnt all that, sorry man its normal. tune with off road h and flowmasters made 426 on my old car. gained like 3hp with the jlt.
426 needs a little more than that, if you aren't on a happy dyno in 45-50° weather
426 needs a little more than that, if you aren't on a happy dyno in 45-50° weather
75ish outside on one dyno 426 in california, dyno in texas a few months before was 421 and it was a little warmer maby 80 at the highest. its in the tune i guess.
75ish outside on one dyno 426 in california, dyno in texas a few months before was 421 and it was a little warmer maby 80 at the highest. its in the tune i guess.
id go with more like a little on the factory freak side. car always made good power. with just a lund tune(my first tune ever on the car) and mufflers i think it was either 386 or 396 on a mustang dyno. cant remember, only thing i have left from that car is the window sticker.
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